Question- Separation of a mixture of 49.7 g MgO and Al2O3 powders A consists of 2 equal parts.
For part 1 in 500 ml of HCl concentration x mol / l and stirring heated to the reaction completely. Carefully evaporating the mixture after the reaction, obtained 59.225 g anhydrous salt.
Part 2 in 750 ml of HCl x mol / l and conduct experiments as part 1 obtained 63.35 g anhydrous salt. Find x and the mass of each oxide in the mixture A.
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